Re: francois' comments and why RFC4474 not used in the field

Adam Roach <[email protected]>
Newsgroups gmane.ietf.sip
Message-ID <[email protected]>
Anthony D Pike wrote:
>
> This is an interesting case that Adam has brought up, and I'm sure 
> there are many others as well. The approach I had thought of for this 
> type of case is to have a second signature after the radacting has 
> taken place, so the user understands where it was changed and possibly 
> why! The original RFC 4474 signature would NOT be removed. Everytime a 
> modification is done to the Message Request effectively a diff 
> signature with a reason could be added.
>

Yep. And that would work with SDP in INVITES, too.

> Unfortunately this is pretty huge burden on the UAS to process all the 
> signatures if it choses to do so.
>

Not really -- performing three or four crypto operations shouldn't slow 
down a terminal more than a trivial amount. And, of course (as you point 
out), it doesn't *need* to actually process the signatures.

/a

_______________________________________________
Sip mailing list  https://www.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use [email protected] for questions on current sip
Use [email protected] for new developments on the application of sip
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.